dondefelipe/juego_snake.html at main · fjimenez321-stack/dondefelipe · GitHub

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<!DOCTYPE html>
<html lang="es">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Snake Arcade Iframe-Ready</title>
  <style>
    :root {
      --neon: #00ff41;
      --bg: #050505;
    }
    * { box-sizing: border-box; }
    body {
      background: var(--bg);
      color: white;
      font-family: 'Courier New', Courier, monospace;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      height: 100vh;
      margin: 0;
      overflow: hidden;
    }
    #game-container {
      position: relative;
      width: 400px;
      border: 3px solid #222;
      background: #000;
    }
    #ui {
      display: flex;
      justify-content: space-around;
      background: #111;
      padding: 10px;
      border-bottom: 2px solid #222;
    }
    .stat { text-align: center; }
    .label { font-size: 9px; color: #666; text-transform: uppercase; }
    .val { font-size: 16px; color: var(--neon); font-weight: bold; }

    canvas { display: block; outline: none; }

    .overlay {
      position: absolute;
      top: 0; left: 0; width: 100%; height: 100%;
      background: rgba(0,0,0,0.95);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 100;
    }
    .hidden { display: none !important; }

    input {
      background: #000;
      border: 1px solid var(--neon);
      color: var(--neon);
      padding: 8px;
      font-size: 16px;
      text-align: center;
      width: 80px;
      margin-bottom: 15px;
    }
    button {
      background: var(--neon);
      color: #000;
      border: none;
      padding: 12px 24px;
      font-size: 14px;
      font-weight: bold;
      cursor: pointer;
      border-radius: 3px;
    }
    button:active { transform: scale(0.98); }
  </style>
</head>
<body>

  <div id="game-container">
    <div id="ui">
      <div class="stat"><div class="label">Puntos</div><div id="score-val" class="val">0</div></div>
      <div class="stat"><div class="label">Jugador</div><div id="name-val" class="val">---</div></div>
      <div class="stat"><div class="label">Vidas</div><div id="lives-val" class="val" style="color:#ff3131">❤❤❤</div></div>
    </div>

    <canvas id="c" width="400" height="400" tabindex="1"></canvas>

    <div id="overlay-start" class="overlay">
      <h2 style="color:var(--neon); margin-bottom:10px;">SNAKE ARCADE</h2>
      <input type="text" id="p-name" maxlength="3" value="PLY">
      <button id="start-trigger">JUGAR AHORA</button>
    </div>

    <div id="overlay-death" class="overlay hidden">
      <h2 style="color:#ff3131">GAME OVER</h2>
      <div id="final-stats" style="margin-bottom:15px"></div>
      <button id="retry-trigger">REINTENTAR</button>
    </div>
  </div>

<script>
/**
 * LÓGICA COMPATIBLE CON IFRAME
 */
const canvas = document.getElementById('c');
const ctx = canvas.getContext('2d');
const GS = 20, TILE = 20;

let snake, food, dir, nextDir, score, lives, loop, active = false;

const animals = ['🐭', '🐹', '🐰', '🐿️'];

// Elementos
const overStart = document.getElementById('overlay-start');
const overDeath = document.getElementById('overlay-death');

function setup() {
  const name = document.getElementById('p-name').value.toUpperCase();
  document.getElementById('name-val').textContent = name;

  score = 0;
  lives = 3;

  overStart.classList.add('hidden');
  overDeath.classList.add('hidden');

  // CRITICO PARA IFRAMES: Forzar el foco al canvas
  canvas.focus();

  resetSnake();
  if(loop) clearInterval(loop);
  loop = setInterval(draw, 100);
  active = true;
}

function resetSnake() {
  snake = [{x:10, y:10}, {x:9, y:10}, {x:8, y:10}];
  dir = {x:1, y:0};
  nextDir = {x:1, y:0};
  spawnFood();
}

function spawnFood() {
  food = {
    x: Math.floor(Math.random() * TILE),
    y: Math.floor(Math.random() * TILE),
    icon: animals[Math.floor(Math.random() * animals.length)]
  };
}

function draw() {
  if(!active) return;

  dir = nextDir;
  const head = { x: snake[0].x + dir.x, y: snake[0].y + dir.y };

  // Paredes
  if (head.x < 0) head.x = TILE-1;
  else if (head.x >= TILE) head.x = 0;
  if (head.y < 0) head.y = TILE-1;
  else if (head.y >= TILE) head.y = 0;

  // Choque cuerpo
  if (snake.some(s => s.x === head.x && s.y === head.y)) {
    handleHit();
    return;
  }

  snake.unshift(head);

  if (head.x === food.x && head.y === food.y) {
    score += 10;
    document.getElementById('score-val').textContent = score;
    spawnFood();
  } else {
    snake.pop();
  }

  // Renderizado
  ctx.fillStyle = '#000';
  ctx.fillRect(0,0,400,400);

  // Comida
  ctx.font = "16px serif";
  ctx.textAlign = "center";
  ctx.textBaseline = "middle";
  ctx.fillText(food.icon, food.x*GS + GS/2, food.y*GS + GS/2);

  // Serpiente
  snake.forEach((s, i) => {
    ctx.fillStyle = i === 0 ? '#00ff41' : '#007a1f';
    ctx.beginPath();
    ctx.roundRect(s.x*GS+1, s.y*GS+1, GS-2, GS-2, 4);
    ctx.fill();
  });
}

function handleHit() {
  lives--;
  document.getElementById('lives-val').textContent = "❤".repeat(lives).padEnd(3, "🖤");
  active = false;

  if(lives <= 0) {
    document.getElementById('final-stats').innerHTML = `Score: ${score}`;
    overDeath.classList.remove('hidden');
  } else {
    ctx.fillStyle = 'rgba(255,0,0,0.4)';
    ctx.fillRect(0,0,400,400);
    setTimeout(() => {
      resetSnake();
      active = true;
    }, 800);
  }
}

// Eventos de teclado con prevención de scroll
window.addEventListener('keydown', e => {
  const k = e.key;
  if (k === 'ArrowUp' && dir.y === 0) nextDir = {x:0, y:-1};
  if (k === 'ArrowDown' && dir.y === 0) nextDir = {x:0, y:1};
  if (k === 'ArrowLeft' && dir.x === 0) nextDir = {x:-1, y:0};
  if (k === 'ArrowRight' && dir.x === 0) nextDir = {x:1, y:0};

  if(["ArrowUp","ArrowDown","ArrowLeft","ArrowRight"].includes(k)) {
    e.preventDefault();
  }
});

// Vinculación de botones
document.getElementById('start-trigger').onclick = setup;
document.getElementById('retry-trigger').onclick = setup;

// Asegurar que el canvas pueda recibir foco
canvas.addEventListener('click', () => canvas.focus());
</script>
</body>
</html>